The documentation uses incorrect style, so fix that.

drivers/phy/ti/phy-omap-usb2.c:102: warning: Function parameter or member 'comparator' not described in 'omap_usb2_set_comparator'

While at it, use a single line for function description
Signed-off-by: NVinod Koul <vkoul@kernel.org>
Reviewed-by: NLiam Beguin <liambeguin@gmail.com>
Link: https://lore.kernel.org/r/20211120061531.410771-2-vkoul@kernel.orgSigned-off-by: NVinod Koul <vkoul@kernel.org>